Results for “Encoding & structured values”
Small, practical examples. Search by task or narrow things down below.
Calculate a SHA-256 content digest
Java: Hash UTF-8 bytes and format the result as lowercase hexadecimal.
Java✓ Tested
Convert bytes to hexadecimal and back
Java: Use HexFormat for a standard-library representation of raw bytes.
Java✓ Tested
Decode a form query parameter
Java: URLDecoder reverses form encoding and treats plus as a space.
Java✓ Tested
Encode a form query parameter
Java: URLEncoder uses application/x-www-form-urlencoded rules, including plus signs for spaces.
Java✓ Tested
Encode and decode Base64 bytes
Java: Convert through UTF-8 explicitly before and after Base64 encoding.
Java✓ Tested
Inspect components of a URI
Java: Use URI parsing instead of splitting a URL at punctuation manually.
Java✓ Tested
Measure UTF-8 bytes separately from characters
Java: Encode a Java string before measuring its serialized byte length.
Java✓ Tested
Parse a UUID and inspect its version
Java: Use UUID.fromString for a standard UUID value.
Java✓ Tested
Read a big-endian integer from bytes
Java: Set a byte order explicitly when handling a binary protocol.
Java✓ Tested
Write and read typed binary fields
Java: Data streams use a matching write/read order and fixed encodings for Java primitive values.
Java✓ Tested
Write object records to a CSV file
PowerShell: Export-Csv uses property names as headers and quotes values when needed.
PowerShell✓ Tested
Build a URL query string from values
JavaScript: URLSearchParams handles query escaping and repeated parameter appends.
JavaScript✓ Tested